Keep accurate transmission pressure data flowing to your truck's monitoring system with the Standard Ignition Automatic Transmission Oil Pressure Switch PS679. It is a direct-fit replacement for many vehicles, among them the 2011-2017 Ram 3500, 2011-2017 Ram 4500 and 2011-2017 Ram 5500. See the Buyer's Guide tab for the full list and engine-specific details.
Standard Ignition pairs a robust design with high-grade materials to meet the demands of today's service professional. Signs this switch may need replacing include transmission fluid seeping at the switch, or a transmission warning light or stored diagnostic codes tied to the pressure circuit. Those symptoms can have other causes, so diagnose the system before replacing the switch.
Interchange: S4674 · 68019700AA · OP7674
This part cross-references / interchanges with the following part numbers:
What does the PS679 transmission oil pressure switch do?
It monitors transmission oil pressure and sends a highly accurate, timely pressure reading to the vehicle's data monitoring system.
Which vehicles does the PS679 fit?
It fits many vehicles, among them the 2011-2017 Ram 3500, 2011-2017 Ram 4500 and 2011-2017 Ram 5500. See the Buyer's Guide tab for the full list and engine details.
What kind of diaphragm does this switch use?
It uses high-temperature polyimide film diaphragms. They provide exceptional cycle durability and resistance to rupture and oil leakage, and they are designed to handle rapid pressure pulsations.
How is the PS679 tested?
Units are 100% tested on vehicles and on automated equipment. The equipment activates the switch, checks for leaks and stresses the part to verify it meets specification.
What are signs this switch may need replacing?
Signs include fluid seeping at the switch, or a transmission warning light or codes tied to the pressure circuit. Other faults can cause these too, so diagnose the system before replacing the switch.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
